Find the Number of Units Made During a Week When

Multiple Choice

Find the number of units made during a week when the total cost was $39,000, the cost per unit was $9, and the fixed costs were $3000. Use the formula T = U · N + F , where T is the total cost, U is the cost per unit, N is the number of units made, and F is the fixed cost. ​

A) 39,333 units
B) 27,000 units
C) 12,000 units
D) 4375 units
E) 4000 units